Drill press



l. E. CARLSON.

DRILL PRESS.'

APPLICATION FILED MAY 3. 192|.

Patented Nov. 21, 1922.

2 SHEETS-SHEEI l.

LASGAT?.

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IML lll Qu Bfmm R MVL PL ATTORNEYS 1. E. CARLSON.

DRILL PRESS.

APPLICATION FILED MAY 3. 1921.

Patented Nov, 21, 1922,

2 SHEETS-SHEET 2.

/lI/VE/I/ TOR ole/Ensl IIIIIIII VPatented Nov. 2,1, 1922,

To all whom t may concern:

Beit known that I, J ULIUs E. CARLSON, a citizen of the United States, and resident of Edgewater in the county of Ber en and State of New Jerse have invente a new and Improved Dri Press, of which the ,following is a full, clear, and exact de scri tion.

yinvention relates to adrill .press or machine of a simllar character, and aims' to provide certain new and useful improvements in connection with this class of dev1ce.

It is well understood that considerable diiiculty has been experienced in connection with drill presses and similar `machines in that the samevare limited according to their size, to relatively small classes of work, thus a medium size machine of the character stated is capable of being used in, connection with only such articles as are capable of being accommodated uponvits table, or within the distance existent between its supporting column, and working head. 1 Thus the customary machine shop, where but one type of each machine is available, is incapab e of handling wide ranges of work in that the machines are unable to acc0mmodate the same.

With this in mind my present invention aims to provide a drill press or machine of similar character which shall be constructed in its main elements -in the usual manner, but which shall. embody certain requirements of construction renderingI the machine capable of accommodatingA an)1 size of work.

Another object of this invention is the construction of -a devicej of the nature specified which shall be enabled to accomT plish the purpose brought out in the ceding paragraph by means of relatively simple provisions.

With these and further objects in View, reference is had to the attached sheet of drawings which illustrate one practical embodiment of my invention, and in which;

Figure 1 is a side view of a machine em'- bodylng my improved construction and showin the conventional elements somewhat diagrammatically.

, Figure2 is a plan view of the machine.

Figure 3 is a sectional side .view taken along the line 3`3 and in the. direction of the arrows indicated in Figure 1, and

pre-v appneauon mea my s, 1921. serial 1ra-46am.

Figures 4and 5 are sectional viewstaken. l.

of figure 2 in the direction mdicated in these figures.

Referrin now more particularly toll`ig-v -respeotlvely 'along the lines 4 4 and 5,-'5 y g i of the arrows f ure 1 it Wi l be seen that the reference nu-4 i meral y10 indicates the conventional supportin column arranged upon a base 1l suitab yv secured to a supporting surface.

Also a table 12 isassociatjed with the supporting column 10 and is adapted to sup-r p, port a plece of work which is to'under lie the head 13 of the press, the latter being; p

in turn carried by means ofthe platform 14 secured to the upper end of the support in column.

l of the foregoing is Vconventional con# struction and it. will beA seen that usually the diic'ulty which has been experienced is ,to be predicated to the limited spacel aorded between the suporting column 10 and head 13, as well as the distance Vof the latter upon the supporting surface and the intervenin table 12. y' With thls in view, vreference being had toA Figure 3, as well as [Figure v1, it will be seen that the table 12 is mounteduponl an arm 15 which latter is attachedl to'A a collar 16 slidablyencirclin the column 10. A ring 17 which is prefere ly contractible,

as has 'been indicatedat 18 encircles the collar. 16 and is formed with an extended portion 19 provided with -an interiorly -screw threaded openingcapable of being engaged by the screw-threads of a shaft 2O rotatably mounted adjacent the supporting column 10. l

Thus it that the distance between the table and working head may be varied b the gear 21 which, meshing wit thegear 22 secured to the shaft 20eects a rotation of the latter.- This will in turn cause the extended portion 19 ofthe rin 17\ to act as atraveler in that -the same wi travel longitudinally of the shaft 20, and by virtue of the fact that it is secured to the collar 16, i will cause the latter also to move in a verl tical plane, thus varying the distance between the u per surface of the table 12 and the hea 13, permitting of articles of various sizes tofbe accommodated irrespective of any certain limits of their height.

If it is thought that the table 12 is incapable of being manipulated to such an extent as to permit of the work being accomxno` will be understood primarilyV rotating 23 arranged upon the base 11. The cylinder' is interiorly screw threaded and a corre` spondingly screw threaded stem'24 is rotat.

`collar 16 may Tres ect to' t tab e 12 to be swung 4out of the pathof the head 13, and obviously permitting of work being 'disposed under the head 13 and being' dated, this objection may readily beov'er'- come by loosening the element 18, and upon this occurring it will 'be obvious that the, berotated with freedom with.

e ring 17, -thus allowing the operated upon thereby.

Thus allbut the largest sizes of work are ,capable of being operated upon and with a view of accommodating even tlns latterl class of work it will be seen in Figure 3 that4 the supportin vcolumn-1() is in the nature of a sleeve slida ly mounted upon a cylinder a ly secured to the platform 14 and referably has its upper end extending wit in the base of the same.

'It will be obvious that a rotation'of the stem 24 will result in a `movement of the same with respect to aj-cylinder ,23,1 this obi viously resultingin a verticalmovement on the part of the platform 14, and it will be seen, with a' view of avoiding rotation of of the stem 24 in viewof the excessive weight -of ,they platform 14 and elements carried thereby, and with a view of overcoming this diiiiculty itwill be'notedthat the stem 24` has a geai` 27 secured to its upper end, which gear is'engaged by a corresponding gear 28 4secured to a shaft 29, aiworm wheel 30 bein e attached to the latter, and co-operatin wit a worm 31 so that the parts will at a times be locked. The .worm =31 is attached. to a shaft 32 driven b -gearing 33 associated with a shaft 34, an accordingly, in my pres-v ent invention, I attach tothe driving me cha'v nism of the press apair of ars 35 and 35 roviding clutch faces'whic 4 are capable vof eing enga d by means, of either faceof -a double cutch 36 keyed to the driving shaft, the latter being capable of being shifted by any suitable type of lever 37.

Further a supplemental shaft 38 is positioned adjacent the shaft, upon which the clutch gear 36 is mounted, and this'latter shaft mounts a pair of gears 39 and 39', and a gear 40, the latter being at all times entransmitted the lshaft 34 land thenceb '29lto .the -resultlng inthe-operation aforedescribedretraction-of the parts their noniialposition may be effected by .'slmplyishifting thevc1utch3'6 so l that the Ameansof the gearing 33,vworm 31l and shag` movementof I'rotation vof `the lShaft v34 will even the' largest pieces y which are capable ofbeing accommodated by even removing theQtable 1 12 ina 'readil be o @rated uron'byflmplyectms 1i g an'l lrfillfhlad through the. v1 e ort is ur .Thusall pose l capable of accommedation,`-d ue tothe height of the head, is ayoided,1eavi ng only'lthe obection .with V res j t'- to"`t lie-}dis tance -existin tween-thehea 13 and w'it a v1ew"of overcomin .will .noted'fhat'jt vlded in tv'vo sectionsf42'jfand 43, 4tl ie' formerbeing preferably provided withral-dove @Wer 'du o the entire .platform driving mec hanism,

we 'as' werk; i; e., those tailed yportigmffttfslida 1y'-airco'mmodate'd in. lthe correspondingly. formed fgggl'oovefl :inthe i Y threaded shaftl -45'- which ,includes 'a-fscrew threaded opmnggforming a partofthe' o r- 4t1on'42, 'it

by retracting' the vspringv pressed.` pin 25 as permitof @rotation offthe'ssl prisi'ng the pedestal. l U'* y obvious that the'jtwo sections of .the plat- By means of thls cons ructionit .I

usada-.a mafiosa the and form may. be caused to move withflfspect 5 to each 'otherso that the head 13 :maywmove lvarying widths of -work beyond those ca- `pable of being disposed between the head and,` supporting column 10.1l t i incapable of vheretofore{ac mnnnodating.

y Thus dueto-the fact thatfthe additional construction necessary forj accomplishing this `ina horizontal plane, a1 1d"thus accominodate y 'that lI 11b object is extremelyfsimple, iit will be seen Athat'for only a minor cost a machine shop -may y'have 4available a machine 'which will gaged by the gear atthe upper end of thm hecapable of operatingvupon virtually any shaft 34., Thus assuming that the 'driving Yshaftof the press is operating, it willbe obvious that a shift of lt e clutch 36 toengage the gear 35 will result-in an operation Vof size of work.

Obviously structure might 'readilybe resorted to'vvith- @out 1n the least departing from the spirit of u the corresponding gear .39 which -will lbe myin'vention, whichpIf claimas;

numerous .modifications of 1. A drill press including a supporting column, comprising a sleeve, a base, an interiorly screw threaded cylinder secured to said base, a screw threaded stem mounted within said cylinder, a platform, said stem being carried by said platform, and means for rotating said stem.

2. A drill press including a supporting column, comprising a sleeve, a base, an interiorly screw threaded c linder secured to said base, a screw threa ed stem mounted within said cylinder, a platform, said stem being carried by said platform, an operating mechanism mounted upon said platform, and means for reversibly connecting said operating mechanism to said stem to e'ect a rotation of the latter in either a clock-wise or anti-clock Wise direction.

3. A drill press including a supporting column, comprising a sleeve, a base, an interiorly screw threaded cylinder secured to said base, a screw Vthreaded .stem mounted within said cylinder, a platform, said stem being carried by said platform, an operating mechanism mounted upon said platform,

a supplemental Shaft, vgears secured to lsaid shaft, a clutch provided in said operating mechanism, -means connecting said clutch with said shaft to effect a rotation thereof in either a clock wise or anti clock wise direction, and means for connecting said shaft to said stem. Y

4f. A drill press including a supporting column, comprising a sleeve, a base, an interiorly screw threaded cylinder secured to said base, a screw threaded stem mounted within said cylinder, a latform, said Stem being carried by said platform, an operating mechanism mounted upon said platform, a supplemental shaft, gears secured to said shaft, a clutch provided in said operating mechanism, means connecting said clutch with said shaft to effect a rotation thereof in either a clockwise or anti clock Wise direction, a worm, a worm Wheel engaged by said worm, means for connecting said worm wheel to said stem, and means for connectingsaid worm to said supplemental shaft.

JULlUS Yllll/illflUEL CARLSGN, 

